#top{
	width: 700px;
	height: 153px;
	margin-bottom: 2px;
	background-color: white;
}
#top ul{
	list-style: none;
}
#bener{
	background:url(../img/banner.jpg) no-repeat;
	width:700px;
	height: 120px;
}
#nav li{
	width: 100px;
	line-height:33px;
	text-align: center;
	float: left;
}
#nav a{
	background: url(../img/button1.jpg) no-repeat;
	text-decoration: dashed;
	display: block;
	color:black;
}
#nav a:hover{
	background: url(../img/button1_bg.jpg) no-repeat;
	position: relative;
	right: 1px;
	bottom: 1px;
}